Online Chromebook Keyboard Tester & ChromeOS Matrix Tool
Test your Chromebook keyboard online. Verify ChromeOS function keys, Everything (Search) key, launcher shortcuts, and touchpad keyboard combinations.
Universal Keyboard Diagnostic Suite
Multi-layout visual key tester, switch chatter bounce analyzer, NKRO gaming combo stress tester & APM counter.
Frequently Asked Questions (Online Chromebook Keyboard Tester & ChromeOS Matrix Tool)
10-Item Technical FAQ & USB HID Diagnostic Troubleshooting
How do I test a Chromebook keyboard online?
Open Monitor Test Hub on your Chromebook and press every key on your keyboard to verify ChromeOS key registration.
How does the Chromebook Everything key register in the online keyboard test?
The Search / Everything key registers as MetaLeft or Search in browser KeyboardEvent telemetry.
Why are top-row function keys missing standard F1-F12 labels on Chromebooks?
ChromeOS replaces F1-F12 with dedicated media, back/forward, refresh, and full-screen control keys.
How do I test top-row media keys on ChromeOS?
Press Back, Forward, Refresh, Fullscreen, and Brightness controls; the test utility highlights corresponding top-row keys.
What causes Chromebook key chatter or stuck keys?
Debris under membrane dome switches or ChromeOS sticky key accessibility settings can cause double-character inputs.
Can I test external USB keyboards connected to a Chromebook?
Yes, external USB or Bluetooth keyboards attached to ChromeOS devices report full ANSI/ISO matrices.
How do I verify AltGr and international ChromeOS layout options?
Switch ChromeOS input methods under Settings -> Device -> Keyboard to test localized layout mappings.
Does this online Chromebook keyboard test require installing an extension?
No extension or app installation is required; it runs 100% natively in Chrome Browser.
How do I test Chromebook touchpad tap-to-click and gestures?
Use our companion Touch Matrix test tool to benchmark Chromebook trackpad multi-touch gestures.
Can I test Chromebook Fn key combinations?
Hold Search + top-row keys on supported Chromebook models to test standard F1-F12 function layer events.